662.620954
C397I
               Indian coals quality evaluation date - Dhanbad : CFRI, 1978.
               Vp.
                Contents: v.1. Raniganj, Barjora, Deoghar, and Rajmahal Coalfields -v.2. Jharia coalfield -v.5. Singrauli, Bisrampur, Khanpur, Korba, 1D-River and Galcher coal fields -v.6. Chirimiri, Sohagpur, Johilla River, Umaria, Pench-Kanhan-Tawa valley Mohpani Coalf

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                Subjects: Coal mines and mining-India.